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Entangled-Photon Generation from Parametric Down-Conversion in Media with Inhomogeneous Nonlinearity
Giovanni Di Giuseppe, Mete Atature, Matthew D. Shaw +3
We develop and experimentally verify a theory of Type-II spontaneous parametric down-conversion (SPDC) in media with inhomogeneous distributions of second-order nonlinearity. As a…
Multi-parameter Entanglement in Quantum Interferometry
Mete Atature, Giovanni Di Giuseppe, Matthew D. Shaw +3
The role of multi-parameter entanglement in quantum interference from collinear type-II spontaneous parametric down-conversion is explored using a variety of aperture shapes and si…
Multi-Parameter Entanglement in Femtosecond Parametric Down-Conversion
Mete Atature, Giovanni Di Giuseppe, Matthew D. Shaw +3
A theory of spontaneous parametric down-conversion, which gives rise to a quantum state that is entangled in multiple parameters, such as three-dimensional wavevector and polarizat…
Performance of Photon-Pair Quantum Key Distribution Systems
Z. Walton, A. V. Sergienko, M. Atature +2
We analyze the quantitative improvement in performance provided by a novel quantum key distribution (QKD) system that employs a correlated photon source (CPS) and a photon-number r…